Wall Street Week Ahead - Investors look beyond drug makers as hunt for Covid-19 treatment heats up

NEW YORK (Reuters) - Investors are diversifying bets in the healthcare sector, as the rush to develop treatments for Covid-19 has driven up prices for some pharmaceutical stocks.A record 48% of fund managers are overweight healthcare stocks, a BofA survey showed, and the S&P 500 healthcare sector is up nearly 34% since its March low. Hopes for a treatment have also sparked outsize rallies in the shares of companies such as Moderna and Inovio Pharmaceutcials, up 253% and 327% since the start of..