A bearish note in an otherwise bullish industry research report led to a bit of an investor sell-off in GitLab (GTLB -4.99%) stock on Monday. The specialized tech company's shares took a nearly 5% hit as a result, on a day when the S&P 500 index basically traded sideways.Sold on softwareThat report, published in the morning and authored by RBC Capital analyst Matthew Hedberg, was an update of notable software stocks in advance of scheduled quarterly earnings reports from companies in the segment. According ...