Stocks @ Night is a daily newsletter delivered after hours, giving you a first look at tomorrow and last look at today. Sign up for free to receive it directly in your inbox. Here’s what CNBC TV’s producers were watching as the tariff-fueled market rout went into its fourth day, and what’s on the radar for the next session. Apple Microsoft is now the most valuable company in the world in terms of market cap. Apple lost about 23% in four days, marking its worst stretch of that length since October 2000. Thanks to CNBC’s Nick Wells and Chris Hayes for the stat. Apple is now 33.7% off the 52-week high hit the day after Christmas. The relative strength index reading, or RSI, on this stock is 20. RSI is one metric traders and investors use to see if a stock is oversold or overbought. Anything above 70 is considered overbought, below 30 is considered oversold. In March 2024, the RSI on Apple hit 22. Three months later, the stock was up 28%. AAPL 5D mountain Apple shares over the past five trading days The S & P 500 Hightower chief investment strategist and CNBC contributor Stephanie Link said on ” Closing Bell ” that the RSI on the S & P 500 hit 22.44. You would have to go back to March 2020 — the Covid era — to see it that low. Including this recent downturn, the S & P 500 is up 181% since then. Within the S & P 500, 122 of the constituent stocks hit a new low Tuesday. Further, 216 of the S & P 500 stocks have hit a new low in April thus far. The S & P 500 is nearly 19% from the Feb. 19 high. It is down 11.2% in April. The S & P 500 is down almost 17% since President Donald Trump began his second term Jan. 20. Since the election, it is down close to 14%. The big swing Stocks were up big on Tuesday until the mid-afternoon when the bottom fell out. The Dow Jones Industrial Average fell about 5.9% from the high to the low. From high to low, the S & P 500 dropped about 6.7% on Tuesday. From high to low, the Nasdaq Composite tumbled 7.7% on Tuesday. .DJI 5D mountain The Dow Industrials over the past five trading days Meta Platforms Stephanie Link also noted Meta Platforms now has a forward price-earnings ratio of 20. The stock is 31% from the Feb. 14 high. It is down 11% in April. A note from CNBC contributor Jenny Harrington Like every other investor on the planet, Harrington is paying close attention to the tariffs. In a letter to investors on Tuesday, she wrote: “At the micro level, we can look at companies like Realty Income Trust, Conagra, Verizon, and our energy pipeline companies and understand quickly and clearly how little an impact the announced tariffs will have on their businesses — even if the tariffs were to trigger a global trade war and a recession.” Realty Income is off 19% from the October high. The stock is down about 10% in April. The dividend yield is 6.16%. Conagra is down 25% from the September high. The stock is down 6.3% in April. Conagra has a 5.6% dividend yield. Verizon is off 11% from the high hit on March 10. The stock is down 7% in April. The dividend yield is 6.43%. Harrington also said the pipeline players are a good place to be . Williams is down 12% from the March high. Shares are down 9% in April. The dividend yield is 3.68%. Kinder Morgan is 20% from the January high. The stock is down 11% in April. The dividend yield is 4.56%. WMB 1Y mountain The Williams Cos. in the past 12 months CrowdStrike “Mad Money” man Jim Cramer called the stock “a play on nationalism” when interviewing CrowdStrike CEO George Kurtz on Tuesday night The stock was a rare winner in Tuesday’s session, up 0.2%. The stock is 28% from the February high, but it’s down 10% in a week. Utilities CNBC TV’s Pippa Stevens will report on where the S & P Utilities sector stands in this downturn. Utilities are often a defensive play. Over the last week, it is down 7.6%. It is off 11% from the 52-week high. The dividend yield on the Utilities Select Sector SPDR Fund (XLU) is 3.12%. XLU 1Y mountain The Utilities Select Sector SPDR Fund (XLU) in the past year Pharma and tariffs The industry is bracing for news on tariffs. The Pharmaceuticals, Biotech and Life Sciences S & P Industry is down 21% from the 52-week high. CNBC TV’s Angelica Peebles is waiting and watching for news on the tariffs. Eli Lilly is down 12% in April. Shares are down 25% from the 52-week high. The stock ended Tuesday’s session at $726.24. Merck is off 41% from the 52-week high. It is down 12% in April. The stock ended Tuesday’s trading at $78.95. Pfizer is down 30% from the 52-week high. Shares are down 13.8% in April. Shares closed at $21.84 on Tuesday. Delta Air Lines CEO Ed Bastian will be on ” Squawk Box ” Wednesday morning with CNBC TV’s Phil LeBeau in our 7 a.m. hour ET. Delta Air Lines is reporting quarterly earnings Wednesday before the bell. The stock is down 41% in three months. 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