Far from losing steam, foreign investors in the last few weeks seem to have stepped up their U.S. real estate investment game in the wake of several new mega-deals, while others have announced they intend to do so after a sluggish start to the year.

The breaking news this week is that Saudi Arabia’s Olayan America, in a joint venture with Chelsfield, a London-based property group, struck a deal to purchase the Sony Building at 550 Madison Ave. in New York City for $1.3 billion.

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