Michael J. Meehan and friends started buying a tech company’s shares, but from each other, driving up the price on each trade. Others noticed the rising stock and started buying too, sending shares to more than $100. Then everyone piled in until it hit around $500 at its peak. Sound familiar?GameStop? AMC? Nope. It was RCA, pumped by the so-called Radio Pool in 1928-29.
