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: Piper Sandler upgraded Skyworks (SWKS) to Overweight from Neutral with a price target of $140, up from$70, following the announced merger with Qorvo (QRVO). The firm believes that this deal will redefine the RF landscape and position Skyworks to capitalize on scale, scope, mix, and pricing. KeyBanc and Barclays ...