EXCLUSIVE OFFER: Jim Cramer's Protégé, Dave Peltier, only buys Stocks Under $10 that he thinks could potentially double. See what he's trading today with a 14-day FREE pass.Investors should be cautious about the overall bullishness, especially for technology stocks. Excluding returns from Facebook (FB), the companies mentioned favorably are just 2% below its 52-week high. When Facebook is included, the technology stocks mentioned are up 61% from its 52-week low. 5 notable companies to look at more closely are: 1. Facebook (FB). The company announced last week that it was re-designing the news feed. Readers from Tech sites like the Verge and Engadget were quick to point out that the re-design is similar to that of Google’s ( GOOG ) Google+. The toolbar is also similar to Ubuntu, a desktop operating system. Facebook acquired the staff that was behind Storylane. The soon to be launched search bar, called Open Graph, will be expanded so that more content will be included in search results. This will include search results for book and movie apps. 2. Yahoo! Inc. (YHOO).Yahoo is at a level not expected by many investors: shares are near a 52-week high, closing recently at $22.90. Yahoo’s CEO said recently that it was changing its telecommuting policy. Yahoo received an analyst upgrade from Cantor Fitzgerald, with stabilization of the business, revaluation of its assets in Asia, and a buyback as reasons for the upgrade. 3. JDS Uniphase (JDSU). Telecoms equipment maker JDS is up nearly 15% for the year-to-date. Shares received another lift after CIENA Corp. (CIEN) reported strong quarterly results. CIENA beat expectations, and provided guidance for its next quarter that was strong. In its last quarter, gross margin was 44.6%. In Q2, it is expected to be in the low 40’s. Sales increased in all segments except optical transport. 4. Google Inc. (GOOG). Google reached another high recently, and is now valued with a forward P/E of 15.6. The company is looking for testers for its Glass product, and recently released a Chromebook at a price comparable to Apple’s premium product. The company is reducing 1,200 workers at its Motorola Mobility unit. 5. Google is the most widely-held company for mutual funds. Of the top 50 actively managed funds, Citigroup said that Google overtook Apple (AAPL) as the biggest holding for funds. If anything, the overly bullish position on Google and the reduced exposure to Apple suggests that investors should look at Apple shares more closely.