John Mulderig

Small-time retail investors take on some of the titans of Wall Street in the wry fact-based blend of comedy and drama “Dumb Money” (Sony). Although the David vs. Goliath aspect of director Craig Gillespie’s film is appealing, the relentless vulgarity of its dialogue gives his retrospective a hard edge and renders it acceptable for few.

Although the horror sequel “The Exorcist: Believer” (Universal) gets off to a reasonably promising start, it degenerates quickly. It ends up being a muddle both dramatically and, more significantly, in its treatment of religion.

A decade after premiering on Nickelodeon and two years out from their film debut, the titular group of canine first responders, led by a preteen boy called Ryder (voice of Finn Lee-Epp), returns for another round of derring-do and some fresh life lessons.

With “Expend4bles” (Lionsgate), director Scott Waugh extends a franchise that dates back to 2010 and that has always been fueled by mindless machismo. The latest blood-soaked entry in the series maintains that lunkheaded outlook.

“A Haunting in Venice” (20th Century) is the third in a series of Agatha Christie adaptations, all featuring her famed sleuth Hercule Poirot, on which director and star Kenneth Branagh has collaborated with screenwriter Michael Green.

In their latest big-screen variation on the eponymous CBS-TV series starring Edward Woodward that ran for four seasons beginning in 1985, screenwriter Richard Wenk and director Antoine Fuqua have a few things going for them.

The latest such gambit vulgarly ventriloquizes dogs and results in the mangy comedy “Strays.”

Director Neill Blomkamp’s lively against-the-odds tale recounts the unlikely career of working-class Welsh lad Jann Mardenborough (Archie Madekwe).