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: Deutsche Bank upgraded Palo Alto Network (PANW) to Buy from Hold with a price target of $220, up from $200. With the stock underperforming the broader cyber space by 15% year-to-date, investor concerns for Palo Alto are overblown, the firm tells investors in a research note. BofA upgraded Lumentum (LIT