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1. An improvement to an existing product. Some companies, especially technology companies, offer upgrades to customers for free or at a discount.

2. An improvement to the quality of securities in a portfolio. For example, one may sell a stock with a given risk and return and buy another stock with a higher return at the same level of risk. Alternatively, a security may upgrade by itself; for example, its issuer may announce higher than expected earnings, and, therefore, a higher dividend.

3. An increase in a bond rating. For example, if a bond goes from a junk rating to an investment-grade rating, the bond is said to be upgraded. This usually occurs when the issuer reduces its exposure to one or more risks.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


to replace an existing COMPUTER system (HARDWARE and/or SOFTWARE) by a more powerful model capable of processing data faster or storing larger amounts of data. When upgrading, computer users can experience problems of compatibility with existing programs and machines.
Collins Dictionary of Business, 3rd ed. © 2002, 2005 C Pass, B Lowes, A Pendleton, L Chadwick, D O’Reilly and M Afferson
References in periodicals archive ?
* Android OS, v4.2 (Jelly Bean), upgradable to v4.4.2 (KitKat)
Starts at $1,999 upgradable to 512MB 56Kbps fax/modem,
28,999, runs on Android 2.3 Gingerbread upgradable to ICS, has a Qualcomm MSM8260 Snapdragon 1.5GHz dual-core processor with 1GB RAM.
9.3" deep, 1" tall; Tablet Edition; Shock viewsonic.com 3.9lbs; 12.1" Protection $1795 screen; 1024x768; NOTE: Works in both portrait and landscape modes PROCESSOR/ CONNECTION POWER MEMORY OPTIONS Acer TravelMate 250PE Tablet PC Acer America Intel Pentium 4 Ethernet; Li-ion battery; http://www.acer.com processor; 802.11b/g/a; Up to 2.5 hours US$1,499 256MB of RAM Bluetooth; battery life upgradable to 56Kbps modem; 2GB; up to 60GB USB 2.0 hard drive Apple PowerBook 64 Laptop Apple 1.25GHz PowerPC Ethernet; Li-ion battery; http://www.apple.
Both are equipped with 16 MB of copier memory, upgradable to 48 MB.
Lucent's DP2V90DX chip set is also upgradable to the emerging V.92 analog modem standard, which enables faster Internet data transmission speeds and faster connection times compared with V.90 modem technology.
The switch supports up to three multifunction and multiprotocol plug in modules, enabling SAN systems to be built and extended through a modular upgradable design.