This quarter’s market trends report got me thinking about the perpetual ups and downs of the transportation industry, and naturally, yo-yos – a cool invention that I fondly remember from my childhood. I haven’t seen a yo-yo in years and naturally assumed that the toy went the way of marbles and Tiddlywinks. What child (ahem, or adult) would want to play with a spool and a string when they have smartphones, tablets, and gaming technology? After doing a little research, I found that yo-yos not only have an impressive back story, they are still a relevant child’s toy. But more on that later.