US STOCKS-Wall St higher after results, ECB comment on stimulus
* McDonald's up as China demand recovers
* Dow Chemicals rises, boosting materials sector
* Caterpillar falls after results
* Hospital operators tank
* Indexes up: Dow 1.25 pct, S&P 1.3 pct, Nasdaq 1.54 pct (Adds details, updates prices)
By Abhiram Nandakumar
Oct 22 (Reuters) - U.S. stocks rallied after two days of losses, boosted by strong results from McDonald's and Dow Chemicals and hints of the European Central Bank extending its stimulus program.
Shares of McDonald's jumped 6 percent to $108.67 after its quarterly earnings and revenue beat estimates as demand recovered in China. The stock gave the biggest boost to the Dow.
The S&P materials sector's 2.27 percent rise led the 9 advancers among the 10 major S&P sectors, boosted by Dow Chemicals' 5.8 percent increase to $50.26 after its results. Continuación...