US STOCKS-S&P 500 ends at highest in 2 months; Alphabet up after hours
* McDonald's up as China demand recovers
* Dow Chemicals rises, boosting materials sector
* Indexes up: Dow 1.9 pct, S&P 1.7 pct, Nasdaq 1.7 pct (Adds Alphabet, Microsoft, Amazon up after the close; gains in Nasdaq futures)
By Caroline Valetkevitch
Oct 22 (Reuters) - The S&P 500 closed at its highest in two months on Thursday as stronger-than-expected earnings from several top companies, including McDonald's, relieved investors' concerns about the profit outlook.
Buying accelerated after the close, with broad gains in tech and other companies that reported results, including Alphabet , up 9.6 percent at $746.78, and Microsoft, up 7.2 percent at $51.50. Amazon rose 10.6 percent to $623.75 after it posted results.
Nasdaq 100 futures jumped after the close as well, and were up about 17 percent from the 2015 intrady low hit on Aug. 24.
During the regular session, McDonald's shares jumped 8.1 percent to $110.87, giving the Dow its biggest boost, after its quarterly results beat estimates as demand recovered in China.
EBay rose 13.9 percent to $27.58 after it reported better-than-expected results late on Wednesday. Continuación...