Check out this morning's top movers from around Wall Street, compiled by The Fly. 

HIGHER -

• Invesco (IVZ) and Janus Henderson (JHG) up 6% and 10%, respectively, after the Wall Street Journal reported that Trian Fund Management has accumulated 9.9% stakes in both companies, with the positions totaling roughly $900M
• Telenav (TNAV) up 4% after receiving a proposal from HP Jin, president and CEO of the company, to acquire all of the outstanding shares of Telenav for $4.32 per share in cash in a "go private" transaction structured as a reverse triangular merger
• Pacific Biosciences (PACB) up 7% after JPMorgan analyst Tycho Peterson upgraded shares to Overweight from Neutral with a $15 price target
• Twilio (TWLO) up 8% following the company's analyst day at which it issued guidance

UP AFTER EARNINGS -

• IDT Corp. (IDT) up 22%

DOWN AFTER EARNINGS -

• Smart Global (SGH) down 8%

ALSO LOWER -

• Tesla (TSLA) down 4% after announcing it produced just over 145,000 vehicles and delivered nearly 140,000 vehicles in Q3
• Mesoblast (MESO) down 31% after announcing that the FDA has issued a Complete Response Letter to its Biologics License Application for remestemcel-L recommending that the company conduct at least one additional randomized, controlled study in adults and/or children to provide further evidence of the effectiveness
• Casella Waste (CWST) down 4% after announcing it acquisition of the assets of Pinto Trucking Services