Issue is we have around around 148 characters and twitter after 140 characters add .... and ends tweet in api text.PLease see which we got using our api request try to use symbol codes within 140 limit.
*ALERT- Change to Core position: Replaced Overweight position in Cognizant $CTSH at $62.90 with Regularweight positi… https://t.co/swX0SQiqM2* 