Here are Wednesday's biggest calls on Wall Street on Wednesday: Goldman Sachs upgrades Shoals to buy from neutral Goldman said the solar company is very attractive. "Upgrade to Buy as gross margin upside potential paired with attractive valuation look compelling." Wells Fargo initiates WillScot as outperform Wells said the mobile trailer office company has "sustained pricing strength." "A sticky model w/ idiosyncratic growth drivers and margin initiatives supports our above-consensus FY24; meanwhile, flexible capex and high returns enable strong FCF, which funds repo & accretive M & A." TD Cowen reiterates Netflix as outperform TD lowered its price target on...