FRANKFURT, June 16 (Reuters) - European shares gave up early gains on Tuesday and turned negative, led lower by financials, as the index tracked steep overnight losses on Wall Street that saw its biggest drop in a month on dire manufacturing data.
At 0735 GMT, the FTSEurofirst 300 index of top European shares was down 0.2 percent at 861.66 points, after it briefly rose more than 0.3 percent earlier.
Banks and insurers were the heaviest losers, with BNP Paribas, UniCredit, Allianz and UBS down between 1.2 and 2.4 percent. (Reporting by Christoph Steitz)