Alphabet, Nvidia upgraded: Wall Street's top analyst calls

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: Baird upgraded Henry Schein (HSIC) to Outperform from Neutral with a price target of $100, up from $78. The firm believes the bias across its dental names remains to the upside.UBS upgraded BlackRock (BLK) to Buy from Neutral with a $1,280 price target. The upgrade is supported by strong Q4 results, positive comme ...