Trade Desk drops after report that Publicis advised clients against using its platform

March 18 : Advertising technology firm Trade Desk's shares tumbled on Wednesday as Wall Street analysts downgraded the stock after French ad giant Publicis Groupe advised its clients against using the company's platform.The stock slid over 5 per cent, adding to Tuesday's 7.4 per cent drop following Ad Age's r
2026-03-18 15:37:15