Walmart agrees to buy TV maker Vizio for $2.3B, or $11.50/share, to boost its ad business via Vizio’s SmartCast OS, which lets users stream ad-supported content (Jacob Pramuk/CNBC)

Jacob Pramuk / CNBC:
Walmart agrees to buy TV maker Vizio for $2.3B, or $11.50/share, to boost its ad business via Vizio's SmartCast OS, which lets users stream ad-supported content  —  - Walmart is buying TV maker Vizio for $2.3 billion in cash.  — The move is a bid to boost the big-box retailer's high-margin ad business.