Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest inflow was seen in the SPDR Barclays Capital High Yield Bond ETF (JNK), which added 3.6 million shares, or a 1.3% increase week over week. And on a percentage change basis, the ETF with the largest increase in inflows was the Daily Basic Materials Bear 3x Shares (MATS), which added 50,000 shares, doubling the number of outstanding shares.