After a 0.6% advance on Wednesday, the Stoxx Europe 600 SXXP, -0.87% fell 0.9%. The aviation sector had another rough day, with International Airlines Group IAG, -4.37%, Rolls-Royce RR, -3.26% and Deutsche Lufthansa LHA, -2.19% all retreating.

The German DAX DAX, -0.46%, French CAC 40 PX1, -0.62% and U.K. FTSE 100 UKX, -0.68% each declined.

U.S. stocks had a rough Wednesday, with the Dow Jones Industrial Average DJIA, -1.92% retreating 525 points. Stock futures YM00, -0.19% NQ00, -0.36% were lower on Thursday as well.

Economists at Goldman Sachs cut their U.S. growth forecast for the fourth quarter in half, to 3% from 6%. “We think it is now clear that Congress will not attach additional fiscal stimulus to the continuing resolution. This implies that after a final round of extra unemployment benefits that is currently being disbursed, any further fiscal support will likely have to wait until 2021,” the economists said. The continuing resolution is a reference to the extension of funding beyond the September-ending fiscal year, which the U.S. House has already passed.

Ajay Rajadhyaksha, a New York-based strategist for U.K. bank Barclays, told clients that “the valuation gap between growth and value equities is now at such an extreme that value stocks offer positive asymmetry on the next leg of the recovery, which should help European and other non-U.S. indices.”

Of stocks on the move, Suez SEV, -4.09% shares fell 5% after its board of directors announced moves that seek to prevent a sale of its water subsidiary Suez Eau France, as part of Suez’s broader resistance to a a takeover from Veolia Environnement VIE, -1.52%.

Smiths Group SMIN, -6.07% shares dropped 6%. The U.K. engineering group reinstated its dividend as its pretax profit from continuing operations due to the planned separation of Smiths Medical.

Pets At Home PETS, +17.95% shares rose 10% as the U.K. pet supplies retailer said underlying pretax profits would be ahead of the £73 million pound consensus. It said it had double-digit like-for-like sales growth through the eight weeks to Sept. 10.