U.S. stocks saw a broad selloff Wednesday afternoon after the yield on the 10-year Treasury crossed above 4.5% rattling investors. The benchmark is a barometer for everything from mortgages to personal loans and now signaling higher borrowing costs.

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The market meltdown hypothesis, popular in the 1990s, held that equity sales by retiring baby boomers would swamp demand from their juniors, crashing the market. It seemed wrong for a while, partly because of globalisation.

President Trump lashed out at Apple CEO Tim Cook as he wielded more tariff threats against the European Union pressuring U.S. stocks which are on pace for weekly losses. The 10-year Treasury yield hovered near 4.

Now they have a trade war problem to worry about again. Stock futures fell sharply Friday after President Donald Trump brought the trade war back to the forefront with threats of massive tariffs against America’s most valuable company and one of its most important trading partners.

Constellation Energy, the largest nuclear operator in the U.S., rose by 3% by Friday afternoon, while shares of uranium mining firms Uranium Energy (23%), Energy Fuels (17%), Cameco Corp. (9.5%) and Centrus Energy (22%) also spiked in value.

Shares of nuclear power companies surged Friday as President Donald Trump signed new executive orders aimed at boosting the industry.

As of the closing bell on May 20, the three major stock market indexes -- S&P 500, Nasdaq Composite, and Dow Jones Industrial Average -- are all essentially at break-even returns on the year. Under normal circumstances, mundane returns like these might have investors worried.

Wall Street had its worst week since early April after President Trump said he would impose steep tariffs on E.U. goods and targeted Apple with a tax on foreign-made iPhones.

Angelo Sibilio and Matt White told Business Insider why they increased their cash holdings and aren't planning to jump back in the market soon.

Iconic beverage giant Coca-Cola (NYSE: KO) is a favorite of Buffett, who has drunk Coca-Cola products in front of cameras numerous times. Berkshire has owned Coca-Cola since 1988, and the stock is a Dividend King with a whopping 63 consecutive annual dividend raises.