By Mark Kleinman Mark Kleinman is Sky News’ City Editor and is the man who gets the City talking in his weekly City A.M. column. This week he tackles Currys’ investor offer, former Tesco chairman John Allan’s new venture and LSEG’s chief executive’s pay rise. If at first, you don’t succeed, try, try again – that may be the principle adopted by Elliott Advisors in its pursuit of Currys, the London-listed electrical goods retailer. The renowned activist’s initial offer of 62p-a-share, worth about £700m, was rebuffed over the weekend. One leading shareholder labelled it “opportunistic”, arguing t…