It nearly always shows: 1. The companies with the big gains have the heavy net sell volume. 2. The companies with the big losses have the heavy net buy volume.
Hence the subject line.
Banks: Heared on the radio this morning: 10 years ago banks returned ~10% of profits as dividends. Now it is down to ~3%. But exec remuneration is through the roof, as share prices fall. Barclay's Bob Diamond remuneration is obscene. No more bank investments for me - which used to be my favourites.