Disney (DIS) stock investors should mark Oct. 21 on their calendars, as the entertainment giant plans to raise prices across its streaming services on that date, marking another attempt to boost profitability in its direct-to-consumer business. The price increases are substantial, given that the ad-supported Disney+ plan will jump $2 to reach$11.99 monthly, while the premium no-ads version will rise $3 to$18.99 per month. Annual subscribers will see a $30 increase to$189.99. More News from Barchart B ...