Live cattle futures dropped like a rock through early June but may have overshot the fair value of the underlying commodity. This spring, large fed cattle supplies allowed packers to reduce offer prices despite robust beef demand and excellent slaughter margins. Outside the cash cattle market, however, a significant portion of the futures sell-off was driven by managed money funds exiting a massive long position. That liquidation rapidly pushed futures prices lower and may have created opportunities for cattle market bulls given changes in key fundamental trends.   Heifer Slaughter Beef production is steady YTD despite a 1.6 percent increase in fed cattle slaughter. That dynamic has occurred because of changes in the share of steers...