Here are Monday's biggest calls on Wall Street: Deutsche Bank reiterates Saia as buy Deutsche said the transports company has "earnings power." JMP downgrades Okta to market perform from market outperform JMP downgraded the stock after a recent security incident. "We downgrade our rating to Market Perform from Under Review (Market Outperform prior) on Okta, Inc. in the wake of the most recent security incident announced on October 20." Wells Fargo reiterates Dollar Tree as overweight Wells said it's standing by its overweight rating on the stock heading into earnings next week. Melius upgrades Carnival to buy from hold Melius said it's "hard to not become incrementally bullish" on the stock.

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Persons: Saia, Key, Wells, DLTR, Raymond James downgrades Weyerhaeuser, Raymond James, Redburn, Bernstein, Tesla, underperform Bernstein, Needham, Aston Martin, Jefferies, Pulte, Melius Organizations: Deutsche Bank, Deutsche, Bloom Energy, Clean Tech, Citi, New, Ulta Citi, Inc, Dominion, Weyerhaeuser, UBS, Waste Management, Novartis, EV, Pulte Group, RBC, GE Healthcare, Nvidia