** Shares of mining and construction equipment maker Eimco Elecon NSE:EIMCOELECO jump 15% to 2200 rupees, on track for best day since April 15
** Stock eyes best day in six months
** Long-term investor Vijay Kedia's firm bought shares worth nearly 110 mln rupees in co
** Kedia Securities bought 57,441 shares in co at 1,906.71 rupees per share in a bulk deal, NSE data showed
** Stock up ~8% YTD
