Rocket Internet shutting down jewellery e-tailing venture 21Diamonds in India?Samsung expands its Galaxy Tab 3 range with 8 & 10 inch tabletsIAN introduces business plan competition Startup Dosti to connect entrepreneurs from India & PakistanWe may buy more mobile gaming firms to enter new geographies: Manish Agarwal, CEO, Reliance Entertainment DigitalLinkedIn boosts security, offering similar technology as TwitterChinese e-com giant Alibaba eyeing $8B loan, Goldman Sachs puts in $500MiStream shuts down; Founder laments investor apathy