LONDON : Share markets enjoyed a fourth straight day of gains on Thursday as the prospect of another ECB rate cut pinned shorter-term euro zone borrowing costs near to their lowest level since the end of 2022, and the euro to a 4-month nadir. An overnight rally in supersized U.S. tech stocks and a rebound in commodity markets was also helping the mood, but focus was rapidly gravitating towards what message ECB chief Christine Lagarde sends from Frankfurt shortly. The central bank's second