Twitter ( TWTR ) stock rose Wednesday as a bullish research report said the struggling company has improved its video strategy and execution. Cleveland Research, as reported, said it has received increased "constructive feedback" from advertisers regarding Twitter's improved strategy and execution around live content. On Wednesday, Twitter announced a way for people to earn money by streaming live on its Periscope service. People watching Periscope will be able to send performers and broadcasters a gratuity by using a variety of heart shapes that function as a virtual currency, which Twitter users can purchase, give and receive during live broadcasts. Twitter stock jumped 5.1% to close at 17.78 on the stock market today, retaking its 50-day and 200-day lines. Twitter reached 18.04 intraday. IBD'S TAKE: Twitter shares have fallen into disrepair as user growth has slowed. Twitter ranks 27th in IBD's Internet-Content Group, with a weak IBD Composite Rating of 64 out of a possible 99.