Even household names like Polaroid fell 64%, Texas Instruments ( TXN ) fell 57% and General Instruments 83%. Shares in his Electronic Data Systems (bought by Hewlett-Packard ( HPQ ) last year) fell $60 that day. First came Apollo 13's near-fatal moon mission (April 11-17), followed by President Nixon's incursion into Cambodia (April 29), the resulting nationwide campus riots and shootings at Kent State (May 4) and Jackson State (May 14), all amidst a recession, overtly engineered by Nixon in 1969 as a way to fight inflation by "cooling the economy."