.stock-quote.up {
  color: #3FA75F;
}
.stock-quote.up .change {
  display: inline-block;
  border-bottom: 8px solid #3FA75F;
}
.stock-quote.down {
  color: #DB423C;
}
.stock-quote.down .change {
  display: inline-block;
  border-top: 8px solid #DB423C;
}
.stock-quote .change {
  display: none;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  margin-right: 2px;
}