Do’s and dont’s in this stock market: Don’t panic, do develop a plan — even if you didn’t have one before By: MarketWatch March 12, 2020 at 10:48 AM EDT Now more than ever you must make investing and trading decisions based on probabilities. Read More >> Related Stocks: Adv Micro Devices Alphabet-A Alphabet-C Amazon.com Apple Dow Industrials SPDR Facebook Intel Corp Microsoft Nasdaq ETF SPDR S&P 500 ETF Trust Tesla, Inc. Ultrapro Short QQQ -3X ETF