Weekends also see the city's biggest flea market take over Strasse des 17 Juni, just west of the Tiergarten park.

CNN: Berlin: Where to shop

Fund manager Rajiv Kaul has focused on a handful of relatively new companies, including high-speed router maker Juniper Net (nasdaq: JUNI) at 8.98% of holdings, semiconductor manufacturer JDS Uniphase (nasdaq: JDSU - news - people) at 6.09% and optical networking vendor Sycamore Networks (nasdaq: SCMR - news - people) at 3.14%.

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