New York When the market is plunging like it did last Friday and on Monday, it's tempting to throw in the towel and sell. Big drops can be scary.But dumping stocks on days when the Dow is getting whacked is usually the wrong thing to do. Stocks roared back Tuesday and were up again Wednesday.If you're investing for the long haul, the best thing you can do is ride out this wave of volatility."Stay invested," said Seema Shah, chief strategist at Principal Global Investors. Shah told CNN Business t
July 15 - The Nasdaq ended lower on Thursday, pulled down by Apple, Amazon and other Big Tech companies as a fall in weekly jobless claims data fed investor concerns about a recent inflation spike.Amazon, Apple, Tesla and $Facebook$all fell. Nvidia tumbled around 4%.The S&P 500 technology sector index ended a four-day winning streak. Earlier this week, investors' favor for heavyweight growth stocks pushed the S&P 500 and the Nasdaq to record highs.The S&P 500 energy sector index fell more than