Here are the top 10 stories to power you through your Monday.

1. Watch out, Walmart. German grocery stores Aldi and Lidl are ready to conquer the US retail industry. [BI]

2. Nobel-prize winning economist Robert Shiller says investors' fear is at its highest since the 2000 dot-com crash. [Bisnow]

3. Like straight out of a James Bond movie, fears of espionage from the now Chinese-owned Waldorf-Astoria has driven US officials to the New York Palace Hotel. [Crain's]

4. Rambleside Holdings wants to snag two of Morgans Hotel Group's hotels for $507M. [Bloomberg]

5. History has been made. Hedge fund Citadel will be paying $300 per SF for a penthouse office building in New York City. [TRD]

6. Fosun Group's Guo Guangchang says he will slow down his global buying spree, which has a value of $6.4B from just this past year. [Bloomberg]

7. Why take a bridge or a subway when you can take a skyway? There's a proposed skyway project to connect New York's boroughs over the East River. [TRD]

8. Here are the seven US markets that are most attractive to Middle Eastern investors. [NREI]

9. Manhattan's Hudson Yards train station is New York's newest subway stop in over 25 years. [WSJ]

10. The number of overvalued markets has just doubled since Q1. [Bisnow]