Another way of saying this: S&P 500 profits now about 10% of all R&D spending in the US. (Assuming buybacks return 10% to shareholders, which is optimistic) B

Another way of saying this: S&P 500 profits now about 10% of all R&D spending in the US. (Assuming buybacks return 10% to shareholders, which is optimistic) Because buybacks are just another way of returning profits to shareholders.