For example, there are roughly 2,800 stocks listed on the NYSE. If 1,800 stocks have made an uptick and 1,000 stocks have made a downtick, the tick index would equal +800 (1,800 – 1,000 ...

Index founders, Xavier Pladevall and Eduardo Portet, have been friends since they were small children in the Dominican Republic. Both came to college in the U.S., and last year the two decided to ...