Global stocks struggle as ECB and OPEC meetings loom

By Sudip Kar-Gupta LONDON (Reuters) - Global stock markets made little headway on Thursday as Japan's Nikkei fell sharply following a jump in the yen while European markets were flat in the run-up to a key European Central Bank (ECB) meeting. Along with the ECB, an OPEC meeting in Vienna was also at the forefront of investors' minds, with oil prices holding steady as analysts said they did not expect the meeting to result in restrictions on crude oil output. Japanese stocks had earlier suffered