Shares of Super Micro Computer Inc. rallied 8.12% to $22.77 Tuesday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index rising 2.91% to 6,528.52 and ...

Day trading is about short-term price movement, not long-term business ownership. Traders look for stocks that trade with high volume, exhibit consistent intraday volatility and react quickly to news, ...