<P> Newer and more efficient tickers became available in the 1930s, but these newer and better tickers still had an approximate 15 - to - 20 - minute delay . Ticker machines became obsolete in the 1960s, replaced by computer networks; none have been manufactured for use for decades . However, working reproductions of at least one model are now being manufactured for museums and collectors . </P> <P> Simulated ticker displays, named after the original machines, still exist as part of the display of television news channels and on some websites--see news ticker . One of the most famous outdoor displays is the simulated ticker scrolling marquee located at One Times Square in New York City . </P> <P> Ticker tapes then and now contain generally the same information . The ticker symbol is a unique set of characters used to identify the company . The shares traded is the volume for the trade being quoted . Price traded refers to the price per share of a particular trade . Change direction is a visual cue showing whether the stock is trading higher or lower than the previous trade, hence the terms downtick and uptick . Change amount refers to the difference in price from the previous day's closing . Many today include color to indicate whether a stock is trading higher than the previous day's (green), lower than previous (red), or has remained unchanged (blue or white). </P> <P> In the early days of baseball, before electronic scoreboards, manual score turners used a ticker to get the latest scores from around the league . Today, computers and electronic scoreboards have replaced the manual scoreboard and the ticker . </P>

Who invented the first stock ticker in 1865