Shares rise modestly, set for strongest week since July 2013

NEW YORK (Reuters) - Global equity markets rose modestly on Friday as gains in Microsoft buoyed U.S. shares, even as news that a New York City doctor tested positive for the Ebola virus produced a modest safe-haven bid for U.S. Treasuries.

MSCI's all-country world equity index was set for its biggest weekly gain since July 2013, while the benchmark U.S. S&P 500 was on pace for its first weekly gain in five and best week since the start of 2013, bolstered by solid U.S. corporate results.

News of the first Ebola case in America's largest city weighed on European shares and held back buying in the United States, but overall the market's reaction to new Ebola cases was nowhere near as dramatic as the volatility witnessed earlier in October when fears of a rapid spread of the disease frightened investors.

"I think the fears are a bit overdone. In previous cases, such as avian flu, the virus ended up being contained quite quickly," said Caroline Vincent, European equities fund manager at Cavendish Asset Management.

Corporate earnings were mixed. Microsoft rose following its quarterly results, offsetting a plunge in Amazon after the online retailer reported an earnings miss. Microsoft shares were last up 1.6 percent at $45.75, while Amazon