What happened
Shares of The Trade Desk (TTD -2.77%), a company that offers a platform to help advertisers buy digital ads programmatically, took a hit on Monday. The stock was down about 12% as of 12:30 p.m. EST.
Helping explain the decline, it comes amid a broader-market pullback of many growth stocks on Monday. Also driving some of the bearishness for shares is likely analyst commentary about Roku (ROKU -3.53%) stock being overvalued. Since Roku and The Trade Desk both benefit from the fast-growing advertising spending in connected TV, and since both companies have pricey valuations, a sell-off of Roku shares on Monday might have triggered some bearishness for The Trade Desk.
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So what
Morgan Stanley analyst Benjamin Swinburne downgraded Roku stock from an equal weight rating to an underweight rating on Monday, citing the stock's massive run-up this year. Leading up to Monday, Roku shares were up 423% year to date. The company's valuation has surged past that of peers, Swinburne argues.
This negative commentary about Roku might have influenced some Trade Desk shareholders, prompting investors to take profits. Shares of The Trade Desk are up 127% year to date. Further, both stocks have climbed rapidly in the last two months; leading up to Monday's sharp decline, The Trade Desk was up 43% since Oct. 1, and Roku was up 56% over the same time frame.
Now what
While investors should always keep valuation in mind, it's important to note that The Trade Desk's underlying business is seeing significant momentum recently. Trailing-9-month revenue is up 40% year over year, and non-GAAP earnings per share has jumped from $1.60 to $2.19 over this same time frame. Further, The Trade Desk CEO Jeff Green recently said the company is seeing accelerated growth in its most important catalyst: connected-TV ad spending.
