India, Oct. 15 -- This is a long tale. It includes short but bitter-sweet stories of two old mega-turned-penny-turned-normal stocks, and two new mega stocks. The four are part of leading Indian and foreign empires. Two of them belong to a giant-turned-puny industrialist. One is among the jewels in a most-respected group. The fourth is an already-risen foreign star, whose appliances are part of many urban households. Over the past few days, their fortunes have swung in direct and indirect ways. The stock of Reliance Power, which belongs to the Anil Ambani stable, lost 10 per cent in a single day. Reliance Infrastructure, the promoter of Reliance Power, remains either under the latter's shadow, or dominates the skyline on some days. LG Elec...