Willis buoyed by entry to S&P 500

Willis is set to join the Standard & Poor's 500 stock index
following its merger with consultancy Towers Watson.
S&P said that the combined business, which will trade as
Willis Towers Watson under the ticker WLTW, will join the index on
4 January.
Watchmaker Fossil will drop to the S&P Mid-Cap 400.
Willis shares are likely to be boosted by the news, as the stock
will now be held by index funds....