The most talked about and market moving research calls around Wall Street are now in one place. Here are today's research calls that investors need to know, as compiled by The Fly.Top 5 Upgrades: Argus upgraded Ulta Beauty (ULTA) to Buy from Hold with a $570 price target. Last month the company reported its fourth consecutive earnings beat, though shares have underperformed the S&P 500 and the industry ETF IYC over the past quarter, the firm says. Scotiabank upgraded CrowdStrike (CRWD) to Outperform fr ...