** Shares in National Storage Affiliates Trust rise as much as 8.25 pct after news announced late Mon that S&P Dow Jones Indices adding stock to S&P SmallCap 600 index effective prior to open Jun 29
** After paring gains shares last up 6.5 pct at $24.10 on track for record one-day pct gain. Touched $24.50 earlier in session, highest point since Jun 2
** Trading volume brisk, 2.2 x 10-DMA
** National Storage replacing Blackbaud Inc, which is replacing CST Brands Inc in S&P MidCap 400 index as Alimentation Couche-Tard Inc is acquiring CST Brands.
** BLKB up 1 pct after news, with trading volume 0.7 x 10-DMA