An earnings beat and raised guidance helped Gitlab outperform a tough week for tech.Shares of software development platform Gitlab (GTLB -5.02%) rallied 17.8% for the week through Thursday trading, according to data from S&P Global Market Intelligence. The stock was down in Friday trading.Gitlab's software development platform is catching on big in the age of AI, which was reflected in its second-quarter results reported on Tuesday.A beat and raise across the boardIn its second quarter, Gitlab grew revenue ...